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1922 Encyclopædia Britannica/Clarke, Alexander Ross

CLARKE, ALEXANDER ROSS (1828-1914), British soldier, was born Dec. 16 1828. He entered the Royal Engineers, and in 1854 was placed in charge of the trigonometrical operations of the ordnance survey. He retained this position until 1881. He was one of the British representatives at the international geodetic congress held in Rome in 1883, and in 1887 received the Royal medal of the Royal Society. Colonel Clarke was a recognized authority on geodesy, and made valuable contributions to the subject. He died at Reigate Feb. 11 1914.